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CASE STUDY 1 Solutia HQ, St Louis, Missouri

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One of the most obvious places to provide a showcase of the new material is Solutia's own HQ in St Louis, and the building does not disappoint. A dramatic, two-storey glass structure comprises 10 glass panels that make up the installation range in size from 60.6cm x 242.5cm to 163.7 x 243.7cm. Their tranquil blue hue was achieved by mixing no less than four coloured interlayers.

Arcturis, an architectural practice in St Louis, had tried various colour and design permutations within the Vanceva Design system. Principal architect Ronald Johnson says: 'We wanted to showcase the sophistication of the products by demonstrating how subtle manipulations can have a profound difference on the design of the installation.

On one side of the glass, the dot design has a grey appearance; on the other side, the dot design has a burgundy appearance. We reversed two of the installation panels to exhibit the burgundy appearance and the range of possibilities with the product.'

Enhancing the coloured effect is an intricate dot pattern on half of the glass panels achieved by incorporating Vanceva Design laminates within the interlayer; the designs are patterned on to a film that is encapsulated inside the laminated glass. A possible nine different designs, ranging from polka dots and narrow stripes to cross-stitch, can be incorporated.

Safety performance But aesthetics were not the only criteria behind the selection of Vanceva Design.

'Due to the size, location and placement of the glass installation, safety was a big concern, ' says Johnson. Hence the specification was also determined by the performance benefits provided by the Saflex plastic interlayer. These include enhanced safety, structural capacity and sound control. By incorporating Saflex within its construction, Vanceva Design provides protection from dangerous flying or falling glass fragments.

Sound improvements The acoustic and other benefits of Vanceva Design are significant. Sound transmission is reduced, which will help dampen the noise created in what is a very busy lobby.

Furthermore, the advanced laminate system can help control solar heat gain and reduce cooling loads in commercial buildings. The interlayer absorbs energy in the ultraviolet, visible and infrared wavelength spectra and dissipates most of the absorbed energy to the outside.

Architect : Arcturis, USA Laminator : Floral Glass, USA Project completed :2000

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